APA (7th ed.) Citation

Spawls, S., Howell, K. M., & Drewes, R. C. (2006). Pocket Guide to the Reptiles and Amphibians of East Africa. A & C Black.

Chicago Style (17th ed.) Citation

Spawls, Stephen, Kim M. Howell, and Robert C. Drewes. Pocket Guide to the Reptiles and Amphibians of East Africa. London: A & C Black, 2006.

MLA (9th ed.) Citation

Spawls, Stephen, et al. Pocket Guide to the Reptiles and Amphibians of East Africa. A & C Black, 2006.